package test1230pm;
public class Yuan implements Tu {

    int r;

    final double PI = 3.14;

    public Yuan() {
    }

    public Yuan(int r) {
        this.r = r;
    }

    public int getR() {
        return r;
    }

    public void setR(int r) {
        this.r = r;
    }

    @Override
    public String toString() {
        return "Yuan{" +
                "r=" + r +
                ", PI=" + PI +
                '}';
    }

    public int zhou() {
        return 0;
    }

    public int area() {
        return 0;
    }

    @Override
    public int m1() {
        return 0;
    }

    @Override
    public int m2() {
        return 0;
    }
}
